Who owns the QUANTAFLO trademark?

The QUANTAFLO trademark is owned by Semler Scientific, Inc..

What class is the QUANTAFLO trademark registered in?

The QUANTAFLO trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for QUANTAFLO?

The USPTO serial number for QUANTAFLO is 88274741.

What is the registration number for QUANTAFLO?

QUANTAFLO is registered under USPTO registration number 5827470.

Sealvo

Home Search: QUANTAFLOQUANTAFLO #88274741

Back

Updated Sep 19, 2026·28 searches this week

View on USPTO TSDR Find similar marks

QUA

USPTO Trademark Record

REGISTERED

QUANTAFLO

SN 88274741·Reg 5827470·Filed Jan 24, 2019

Owner Semler Scientific, Inc.

Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contact lenses and sunglasses; orthopaedic articles; suture materials; therapeutic and assistive devices adapted for persons with disabilities; massage apparatus; apparatus, devices and articles for nursing infants; sexual activity apparatus, devices and articles.

QUANTAFLO (Serial No. 88274741), Registration No. 5827470, is a registered US trademark filed on Jan 24, 2019 by Semler Scientific, Inc.. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

Section 8/9 declaration window: August 06, 2029

Conflict Analysis

Full conflict analysis for QUANTAFLO (SN 88274741) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QUANTAFLO (Reg. #5827470) is a registered US trademark that has been protecting its owner, Semler Scientific, Inc., since 2019. The mark covers Class 010 (Surgical, medical, dental & veterinary apparatus). Goods and services include Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contac.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 24, 2019

SERIAL

88274741

REG#

5827470

REGISTERED

Aug 06, 2019

Filing Information

StatusREGISTERED

Filing DateJan 24, 2019

Serial Number88274741

Registration No.5827470

Registration DateAug 06, 2019

Status DateJan 07, 2025

Published for OppositionMay 21, 2019

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1751135

480Jul 14, 2023

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

First use anywhere: May 01, 2014

First use in commerce: May 01, 2014

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

28 events

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 29, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 29, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 29, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Apr 29, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 29, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jan 07, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 07, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jan 07, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Aug 08, 2024

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Aug 06, 2024

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 02, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 02, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 02, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 02, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Apr 02, 2024

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 28, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 28, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 28, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 28, 2022

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 28, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

REGISTERED-PRINCIPAL REGISTER

Aug 06, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 21, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 21, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 01, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 09, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 05, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 15, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 28, 2019

NEW APPLICATION ENTERED

Other Marks by Semler Scientific, Inc.

Additional USPTO filings from the same owner.

SEM

SEMLER

98087346

Semler Scientific, Inc.

REGISTERED

SEM

SEMLER SCIENTIFIC

98042707

Semler Scientific, Inc.

REGISTERED

FLO

FLOCHEC

85398081

SEMLER SCIENTIFIC, INC.

REGISTERED

SEM

SEMLERANALYTICS

97165884

Semler Scientific, Inc.

REGISTERED

Other Marks in Class 010 — Surgical, medical, dental & veterinary apparatus

Recently filed and registered marks in the same international class.

QUA

QUANTAFLO HD

97177247

Semler Scientific, Inc.

REGISTERED

Other Marks by Camille M. Miller

Additional USPTO filings handled by the same attorney of record.

SPI

SPINJOY CERTIFIED LAUNDRY PROS

99439782

REGISTERED

LOG

LogoMark

86543172

REGISTERED

LOG

LogoMark

86543248

REGISTERED

LOG

LogoMark

86544025

REGISTERED

QUANTAFLO

Run a conflict check

Other Marks by Semler Scientific, Inc.

Other Marks in Class 010 — Surgical, medical, dental & veterinary apparatus

Other Marks by Camille M. Miller

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company